Google Instant is a new search enhancement that shows results as you type. On the information page for Google Instant, it says "15 new technologies contribute to Google Instant functionality." What are they?

Those who are in a position to know are unlikely to say...
– Jon SkeetSep 8 '10 at 18:19

Although the 'real Google Instant' might have involved 15 cutting edge technologies and what not, as long as you have a beefy indexed superfast server to return "data-only" search results, building an "instant search" will involve jquery, javascript, html and css and webservices that return results to the client calls
– VinSep 12 '10 at 16:22